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3 years ago

Which seed plants are not gymnosperms?

Biology

2 answers:

GarryVolchara [31]3 years ago

5 0

Conifers

Have a great day

djverab [1.8K]3 years ago

3 0

Answer:

Flowering plants (Ans. C)

Explanation:

Gymnosperms are the non-flowering plants and produce seeds that are not enclosed within an ovary. they contain their seeds on the surface of the leaves and open to the air which is directly fertilized with the help of fertilization.

Gymnosperms include:

1) Cycads (division Cycadophyta): These are woody trunks, evergreen compound leaves. The example includes cycas.

2) Conifers (division Pinophyta): Theses are woody, cone-bearing shrubs and tissues with vascular tissues. Examples include Pines, Redwoods, Cedars. etc.

3) Ginkgo biloba (division Gynkgophyta): These are a cylinder, large and fan-shaped leaves. The example is Ginkgo biloba.

So, the flowering plants are not included in gymnosperms.

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A small branch of the optic nerve, known as the ____ path extends directly from the retina to the scn.

svetoff [14.1K]

Answer;

Retinohypothalamic path

A small branch of the optic nerve, known as the retinohypothalamic path extends directly from the retina to the SCN.

Explanation;

The SCN is an abbreviations for suprachiasmatic nucleus or nuclei; which is a region in the hypothalamus. that is responsible for controlling circadian rhythms.

Retinohypothalamic path is a neural input pathway that extends directly from the retina to the SCN.

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3 years ago

Producers contain pigments like ____ to trap the sun’s energy and used it to make food.

Pavlova-9 [17]

Answer:

chlorophyll

Explanation:

Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria.

Green substance in producers that traps light energy from the sun.

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3 years ago

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Anettt [7]

Answer:

Can I see the options if it have any

Explanation:

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3 years ago

Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother'

Lapatulllka [165]

The answer is 'instinct'. This is innate complex behavior exhibited by an organism that is not learned. Some common examples are dogs shaking themselves dry when wet, honeybee communication via intricate dances, animal courtship behavior during mating season and the building of nests by birds.

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3 years ago

By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when

Mama L [17]

Answer:

Unconditioned stimulus.

Explanation:

Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.

The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).

Thus, the meat presentation is unconditioned stimulus.

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3 years ago